The velocity of light was measured by—
The velocity of light was measured by—
When we breathe which of the following gases do we use?
When we breathe which of the following gases do we use?
Heating element of an electric heater is made up of--
Heating element of an electric heater is made up of--
The tendency of a liquid drop to assume spherical shape is due to—
The tendency of a liquid drop to assume spherical shape is due to—
Who developed the small pox vaccination?
Who developed the small pox vaccination?
Stainless steel is an alloy of iron and—
Stainless steel is an alloy of iron and—
Which of the following is necessary for a substance to burn?
Which of the following is necessary for a substance to burn?
What invention bought Alfred Nobel fame and fortune?
What invention bought Alfred Nobel fame and fortune?
"To every action there is an equal and oposite reaction"-- this theory has been given by--
"To every action there is an equal and oposite reaction"-- this theory has been given by--
Which of the following pairs is incorrect?
Which of the following pairs is incorrect?
Eugenics is the study of-
Eugenics is the study of-
The credit of inventing the television goes to-
The credit of inventing the television goes to-
The center of the earth is known as the—
The center of the earth is known as the—
A nuclear reactor is a device to produce nuclear energy with the help of---
A nuclear reactor is a device to produce nuclear energy with the help of---
Which gas is present under pressure in soft drinks?
Which gas is present under pressure in soft drinks?
Who among the following evolved the concept of relationship between mass and energy?
Who among the following evolved the concept of relationship between mass and energy?
The credit of developing the polio vaccine goes to—
The credit of developing the polio vaccine goes to—
Which one of the following forms an irreversible complex with hemoglobin of the blood?
Which one of the following forms an irreversible complex with hemoglobin of the blood?
Sir Jagadish Chandra Bose is famous for his contribution in the field of—
Sir Jagadish Chandra Bose is famous for his contribution in the field of—
Which planet is nearest to the Sun?
Which planet is nearest to the Sun?
Which of the following is not a part of the human eye?
Which of the following is not a part of the human eye?
Which one of the following contributes largely to the green-house gas effect?
Which one of the following contributes largely to the green-house gas effect?
Which one of the following substances undergoes chemical change on heating?
Which one of the following substances undergoes chemical change on heating?
Which one of the following is used for bleaching purposes?
Which one of the following is used for bleaching purposes?
Meteorology is the science of—
Meteorology is the science of—
Which of the following is a device for storing electric charge?
Which of the following is a device for storing electric charge?
What causes an eclips of the sun?
What causes an eclips of the sun?
SMS available in mobile phone stands for—
SMS available in mobile phone stands for—
Solar Energy is a—
Solar Energy is a—
Which of the following is the main source of energy of the sun?
Which of the following is the main source of energy of the sun?
What is the difference between Bangladesh Standard Time and Greenwich Mean Time?
What is the difference between Bangladesh Standard Time and Greenwich Mean Time?
Study of earthquakes is known as—
Study of earthquakes is known as—
Which one of the following gases is predominant in the atmosphere?
Which one of the following gases is predominant in the atmosphere?
Which one of the following is used for bleaching purposes?
Which one of the following is used for bleaching purposes?
Which of the following is a unit of pressure?
Which of the following is a unit of pressure?
Oncology is the study of—
Oncology is the study of—
What is the acceptable safe limit of Arsenic per liter of water?
What is the acceptable safe limit of Arsenic per liter of water?
What is the name given to molten rocks that are erupted by a volcano?
What is the name given to molten rocks that are erupted by a volcano?
Who invented the ball point pen?
Who invented the ball point pen?
Which one of the following is not a noble gas?
Which one of the following is not a noble gas?
Wright Brothers are regarded inventors of the-
Wright Brothers are regarded inventors of the-
Who proposed the chemical evolution of life?
Who proposed the chemical evolution of life?
A citrus fruit means that the fruit is rich in-
A citrus fruit means that the fruit is rich in-
The hardness of the bone tissue is due to the phosphates and carbonates of which of the following pairs of elements?
The hardness of the bone tissue is due to the phosphates and carbonates of which of the following pairs of elements?
What is the name given to the respiratory holes on the surface of a leaf?
What is the name given to the respiratory holes on the surface of a leaf?
Which planet has recently been the target of a lot of controversy?
Which planet has recently been the target of a lot of controversy?
Anopheles mosquito causes which of the following deases?
Anopheles mosquito causes which of the following deases?
On burning charcoal which of the following gases is produced?
On burning charcoal which of the following gases is produced?
Which of the following is not the name of Greek God?
Which of the following is not the name of Greek God?
A universal doner is a person having blood group of—
A universal doner is a person having blood group of—
Starch is a mixture of—
Starch is a mixture of—
Natural hot water springs occuring in New Zealand, Italy and Iceland are known as—
Natural hot water springs occuring in New Zealand, Italy and Iceland are known as—
Mark the wrong combination—
Mark the wrong combination—
The telephone was invented by-
The telephone was invented by-
Decible is unit of-
Decible is unit of-
What is known as the universal solvent?
What is known as the universal solvent?
Which of the following compounds are responsible for acid rain?
Which of the following compounds are responsible for acid rain?
The virus of Swine Flu is named as—
The virus of Swine Flu is named as—
With which device are earthquakes recorded?
With which device are earthquakes recorded?
For which of the following purposes is a transformer used?
For which of the following purposes is a transformer used?
Hygrometer is used to measure—
Hygrometer is used to measure—
In tritinum, electrons, protons and neutrons are present in the ratio of—
In tritinum, electrons, protons and neutrons are present in the ratio of—
Which of the following is the most toxic gas?
Which of the following is the most toxic gas?
One liter of water is equivalent to how many kilograms?
One liter of water is equivalent to how many kilograms?
Which of the following is the mde of propagation of heat from the sun to the earth?
Which of the following is the mde of propagation of heat from the sun to the earth?
Which of the following statements is true?
Which of the following statements is true?
Hepatitis C increases the risk of—
Hepatitis C increases the risk of—
Which one of the following crops requires continuous semi-aquatic condition for cultivation?
Which one of the following crops requires continuous semi-aquatic condition for cultivation?
How many legs do butterflies have?
How many legs do butterflies have?
বস্তুর ওজন সবচেয়ে বেশি—
বস্তুর ওজন সবচেয়ে বেশি—
To glavanise iron, iron is coated with which of the followiing?
To glavanise iron, iron is coated with which of the followiing?
Which one of the following serves as host tree for silkworm to produce good silk?
Which one of the following serves as host tree for silkworm to produce good silk?
Which organization of UNO declared prohibition on Clone human chiled?
Which organization of UNO declared prohibition on Clone human chiled?
The unit of current is—
The unit of current is—
Which one of the following has the shortest wave length?
Which one of the following has the shortest wave length?
The blood group which is univershal recipient is—
The blood group which is univershal recipient is—
Anatomy is the branch of science which deals with—
Anatomy is the branch of science which deals with—
Every atom of Carbon di-oxide contains -- Oxygen and --- Carbon.
Every atom of Carbon di-oxide contains -- Oxygen and --- Carbon.
Which of the followings is not a part of milk?
Which of the followings is not a part of milk?
Where is the headquarters of the UN Security council located at?
Where is the headquarters of the UN Security council located at?
The length of the days and nights is equal at the—
The length of the days and nights is equal at the—
What is the correct increasing order of abundance of the main components of air?
What is the correct increasing order of abundance of the main components of air?
Which of the following acids is most important in building tissue proteins?
Which of the following acids is most important in building tissue proteins?
Fish preathe through—
Fish preathe through—
In Y2K, K stands for—
In Y2K, K stands for—
Which human gland does secret growth hormone?
Which human gland does secret growth hormone?
ডুবোজাহাজে কোন যন্ত্রের সাহায্যে পানির নিচ থেকে উপরের দৃশ্য দেখা যায়?
ডুবোজাহাজে কোন যন্ত্রের সাহায্যে পানির নিচ থেকে উপরের দৃশ্য দেখা যায়?
What are metal bearing rocks called?
What are metal bearing rocks called?
Every molecule of water contains—Oxygen and Hydrogen.
Every molecule of water contains—Oxygen and Hydrogen.
Joule is the unit of—
Joule is the unit of—
What do scientists beleve global warming is caused by?
What do scientists beleve global warming is caused by?
What is there in the North Polar region?
What is there in the North Polar region?
Which of the following is a main component of comon glass?
Which of the following is a main component of comon glass?
Which instrument is used to measure pressure?
Which instrument is used to measure pressure?
The universal blood group donor is—
The universal blood group donor is—
How many Dynes are there in one gram weight?
How many Dynes are there in one gram weight?
Light year is related to—
Light year is related to—
Which of these is not a planet in the Solar System?
Which of these is not a planet in the Solar System?
The first attempt in printing was made in England by—
The first attempt in printing was made in England by—
